English-Malayalam Dictionary

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Catalyst

Pronunciation of Catalyst
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English Meaning

Chemistry A substance, usually used in small amounts relative to the reactants, that modifies and increases the rate of a reaction without being consumed in the process.

One that precipitates a process or event, especially without being involved in or changed by the consequences: "A free press ... has remained ... a vital catalyst to an informed and responsible electorate” ( Robert O'Neal).